For years, American muscle car fans lusted after the Australian-built Holden Commodore. In 2008, Pontiac heard those cries and brought the "Dunny Door" over as the Pontiac G8. This stylish sedan packs an LS2 in GT Trim while the GXP comes equipped with an LS3 to make the G8 one of the baddest family haulers ever made in America. And if those LS powerplants need a little more power to suit you, we have the parts to make it happen.